<template>
  <div class="login">
    <!-- <img class="img" src="../assets/images/login.png" alt="" /> -->
    <div class="login-mid">
      <img
        src="../assets/image/login-background.png"
        alt=""
        class="login-img"
      />
        <img class="left-logo" src="../assets/image/left-logo.png" alt="" />
        <!-- <img class="login-logo" src="../assets/image/login.png" alt="" /> -->
      <el-form
        ref="loginForm"
        :model="loginForm"
        :rules="loginRules"
        class="login-form"
      >
        <div class="title">
          <!-- <img
            class="login-icon"
            src="../assets/images/login-icon.png"
            alt=""
          /> -->
          欢迎登录
        </div>
        <el-form-item prop="username" style="margin-bottom: 24px">
          <el-input
            v-model="loginForm.username"
            type="text"
            auto-complete="off"
            placeholder="账号"
          >
            <svg-icon
              slot="prefix"
              icon-class="user"
              class="el-input__icon input-icon"
            />
          </el-input>
        </el-form-item>
        <el-form-item prop="password" style="margin-bottom: 24px">
          <el-input
            v-model="loginForm.password"
            type="password"
            auto-complete="off"
            placeholder="密码"
            minlength="6"
            maxlength="20"
            show-password
            @keyup.enter.native="handleLogin"
            @blur="pwdTest"
          >
            <svg-icon
              slot="prefix"
              icon-class="password"
              class="el-input__icon input-icon"
            />
          </el-input>
        </el-form-item>
        <el-form-item
          prop="code"
          v-if="captchaEnabled"
          style="margin-bottom: 24px"
        >
          <el-input
            v-model="loginForm.code"
            auto-complete="off"
            placeholder="验证码"
            style="width: 63%"
            @keyup.enter.native="handleLogin"
          >
            <svg-icon
              slot="prefix"
              icon-class="validCode"
              class="el-input__icon input-icon"
            />
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode" class="login-code-img" />
          </div>
        </el-form-item>
        <el-checkbox
          v-model="loginForm.rememberMe"
          style="margin: 0px 0px 25px 0px"
          >记住密码</el-checkbox
        >
        <el-form-item style="width: 100%">
          <el-button
            :loading="loading"
            size="medium"
            type="primary"
            style="width: 100%"
            @click.native.prevent="handleLogin"
          >
            <span v-if="!loading">登 录</span>
            <span v-else>登 录 中...</span>
          </el-button>
          <div style="float: right" v-if="register">
            <router-link class="link-type" :to="'/register'"
              >立即注册</router-link
            >
          </div>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: "",
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" },
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" },
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }],
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined,
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    hidePsw(psw) {
      psw = psw.toString();
      var ISPWD = /^[a-zA-Z0-9]{6,20}$/;
      if (ISPWD.test(psw)) {
        return true;
      } else {
        this.$modal.msgWarning("密码长度6-20位,不能包含特殊字符");
        return false;
      }
    },
    pwdTest(e) {
      // this.hidePsw(e.target.value);
    },
    getCode() {
      getCodeImg().then((res) => {
        this.captchaEnabled =
          res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get("rememberMe");
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), {
              expires: 30,
            });
            Cookies.set("rememberMe", this.loginForm.rememberMe, {
              expires: 30,
            });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove("rememberMe");
          }
          this.$store
            .dispatch("Login", this.loginForm)
            .then((res) => {
              console.log(this.loginForm);
              debugger
              setTimeout(() => {
                this.$router
                    .push({ path: this.redirect || "/" })
                    .catch(() => {});
                // if (res.bigScreen == 1) {
                //   //显示大屏
                //   this.$router.push({
                //       name: "bigScreen",
                //     });
                //   } else {
                //     this.$router
                //     .push({ path: this.redirect || "/" })
                //     .catch(() => {});
                //   }
              }, 500);
            })
            .catch(() => {
              this.loading = false;
              if (this.captchaEnabled) {
                this.getCode();
              }
            });
        }
      });
    },
  },
};
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
.login {
  position: relative;
  height: 100%;
  overflow: hidden;
  background: linear-gradient(
    0deg,
    rgba(2, 130, 122, 0.06),
    rgba(13, 171, 161, 0.06)
  );
  background-size: cover;
  // .img {
  //   position: absolute;
  //   top: 70px;
  //   left: 50%;
  //   transform: translateX(-374px);
  //   width: 748px;
  //   height: 112px;
  // }
}
.login-img {
  width: 100%;
  height: 100%;
  position: absolute;
}
.left-logo{
  top: 25%;
  left: 10%;
  position: absolute;
}
.login-logo {
  position: absolute;
  top: 185px;
  right: 20%;
}
.title {
  font-size: 24px;
  font-family: Microsoft YaHei;
  font-weight: 600;
  color: #0066CC;
  line-height: 34px;
  margin: 10px 0 30px;
  .login-icon {
    width: 28px;
    height: 28px;
    vertical-align: middle;
    cursor: pointer;
  }
}

.login-form {
  position: absolute;
  top: 300px;
  left: 70%;
  transform: translateX(-200px);
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 15px 40px 3px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #606266;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
</style>
